Power Systems A 3-phase transmission line has its conductors at the corners of an equilateral triangle with side 3m. The diameter of each conductor is 1.63 cm. The inductance of the line per phase per km is 1.232 mH 1.093 mH 1.182 mH 1.043 mH 1.232 mH 1.093 mH 1.182 mH 1.043 mH ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following matrix is used for load flow studies? Z bus matrix Y bus matrix Unit matrix null matrix Z bus matrix Y bus matrix Unit matrix null matrix ANSWER DOWNLOAD EXAMIANS APP
Power Systems Due to proximity effect, the increase in conductor resistance is not negligible in overhead transmission lines communication lines underground cable All of these overhead transmission lines communication lines underground cable All of these ANSWER DOWNLOAD EXAMIANS APP
Power Systems A transmission line has a reactance of 1 Pu is operating at Vs = Vr = 1 Pu. The generator is connected at source end which is delivering 0.5 Pu of active power. Find the load angle? 30° 60° 45° 35° 30° 60° 45° 35° ANSWER DOWNLOAD EXAMIANS APP
Power Systems A 3-phase transmission line operating at Vs = 400 kV and has ABCD parameters A= D = 0.8∠0°, B = 100∠90° Ω, C = 0.5*10-6∠90° ℧. Find the no load receiving end voltage? 320 kv 400 kV 500 kV 600 kV 320 kv 400 kV 500 kV 600 kV ANSWER DOWNLOAD EXAMIANS APP
Power Systems A power system consists of 300 buses out of which 20 buses are generator buses, 25 buses are the ones with reactive power support buses and 15 buses are ones with fixed shunt capacitors. All the other buses are load buses. It is proposed to perform a load flow analysis for the system using Newton-Raphson Jacobian matrix is 553×553 554×554 555×555 540×540 553×553 554×554 555×555 540×540 ANSWER DOWNLOAD EXAMIANS APP
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